untreated
Britishadjective
-
(of an illness, etc) not having been dealt with
-
not having been processed in any way
untreated sewage
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, if left untreated, it can become far more serious if the bacteria spreads to the organs, bloodstream or bones.
From BBC • Mar. 28, 2026
At the same time, treated mice showed reduced sensitivity to pain, tolerated pressure better, responded more slowly to heat, and displayed increased activity compared to untreated animals.
From Science Daily • Mar. 23, 2026
By nearly six months of age, when untreated mice typically have brains packed with amyloid plaques, the treated mice had no detectable plaques.
From Science Daily • Mar. 11, 2026
The burst sent some 240 million gallons of untreated waste from toilets and sinks into the Potomac.
From The Wall Street Journal • Feb. 19, 2026
Kwadzo died one morning, probably from his untreated wound, Amari thought, or maybe from his untreated sorrow, but she could not mourn his loss.
From "Copper Sun" by Sharon M. Draper
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
